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4200287157 = 34112428557
BaseRepresentation
bin1111101001011011…
…0100101110110101
3101211201120200210000
43322112310232311
532100233142112
61532442421513
7206041565103
oct37226645665
911751520700
104200287157
111865a52a00
12992801899
1351c279621
142bbbacc73
15198b397dc
hexfa5b4bb5

4200287157 has 30 divisors (see below), whose sum is σ = 6896783894. Its totient is φ = 2545622640.

The previous prime is 4200287149. The next prime is 4200287173. The reversal of 4200287157 is 7517820024.

4200287157 is a `hidden beast` number, since 420 + 0 + 2 + 87 + 157 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4192044516 + 8242641 = 64746^2 + 2871^2 .

It is not a de Polignac number, because 4200287157 - 23 = 4200287149 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4200237157) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 204478 + ... + 224079.

Almost surely, 24200287157 is an apocalyptic number.

It is an amenable number.

4200287157 is a deficient number, since it is larger than the sum of its proper divisors (2696496737).

4200287157 is a wasteful number, since it uses less digits than its factorization.

4200287157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428591 (or 428571 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 4200287157 is about 64809.6224105649. The cubic root of 4200287157 is about 1613.4654156096.

The spelling of 4200287157 in words is "four billion, two hundred million, two hundred eighty-seven thousand, one hundred fifty-seven".

Divisors: 1 3 9 11 27 33 81 99 121 297 363 891 1089 3267 9801 428557 1285671 3857013 4714127 11571039 14142381 34713117 42427143 51855397 127281429 155566191 381844287 466698573 1400095719 4200287157